10 



M.K. HOWARTH AND N.J. MORRIS 



WADI KILYA, AL MA'ABIR 



Qishn 



Fm. 



r- 10 



Billum 

 Member 



2SK 



\ t M> _) 





n 



3 



T~rn 



Taramelliceras (Metahaploceras) subsidens (Fontannes) 



Katroliceras formosum Spath 



Katroliceras pottingeri (J. de C. Sowerby) 



Katroliceras sp. indet. 



Subdichotomoceras Platissimum (Zwierzycki) 



Pachysphinctes bathyplocus (Waagen) 



Pachysphinctes major Spath 



Aspidoceras longispinum |J. de C. Sowerby) 



Orthaspidoceras avellanum (Zittel) 



Simaspidoceras argobbae (Dacque) 



Simaspidoceras irregulare (Dacque) 



Laevaptychus 



Hybonoticeras ornatum (Spath) 



Hybonoticeras cf. hybor)otum (Oppel) 



Lithacoceras (L.) cf. ulmense (Oppel) 



Lithacoceras (Subplanites) mombassanum (Dacque) 



1 Pachysphinctes bathypiocus (Waagen) 



rrTT 



i I •) 



Tarameliiceras IT.) compsum (Oppel) 



Tarameiiiceras sp. indet. 



Pachysphinctes bathyplocus (Waagen) 



Pachysphinctes major Spath 



Pachysphinctes sp. indet. 



Nebrodites hospes (Neumayr) 



Aspidoceras longispinum (J. de C. Sowerby) 



Aspidoceras apenninicum (Zittel) 



Aspidoceras sp. indet. 



Laevaptychus 



Lithacoceras (SubplanitesI mombassanum (Dacqu6) 



2 Pachysphinctes major Spath 



2 Pachysphinctes sp. indet. 



3 Aspidoceras sp. indet. 

 1 Simaspidoceras irregulare (Dacqu6) 



1 Aspidoceras longispinum (J. de C. Sowerby) 

 4 Laevaptychus 



Taramelliceras (T.) pseudoflexuosum (Favre) 



Taramelliceras sp. indet. 



Lamellaptychus 



Orthaspidoceras avellanum (Zittel) 



Laevaptychus 



Lithacoceras (Subplanites) mombassanum (Dacqu6) 



Palaeonucula sp., Indogrammatodon sp. 



IGrammatodon sp., ' Margarites' sp. 



Neocrassina aff. spitiensis (Stoliczka) 



Proconulus arabiensis (Newton) 



Base of Billum fVlember: 



; 1 Ochetoceras sp. indet. 

 / 2 Epimayaites sp. indet. 

 / 1 Paryphoceras grayi (Spath) 

 J 1 Larcheria gredingensis (Wegele) 

 ' 20 Orthosphinctes polygyratus (Reinecke) 



Fig. 5 Vertical section of the Naifa Formation at Wadi Kilya, A! Ma'abir (see Fig. 4 for location). 



